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jscott |
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#include "ctrparam.h" |
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! ========================================================== |
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! |
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! HORDIFF.F: subroutine for calculating horizontal |
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! diffusion of Q. |
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! |
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! ---------------------------------------------------------- |
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! |
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! Revision History: |
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! |
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! When Who What |
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! ---- ---------- ------- |
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! 080100 Chien Wang repack based on CliChem3 & M24x11, |
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! and add cpp. |
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! |
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! ========================================================== |
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SUBROUTINE HORDIFFALL(DTDIF) |
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#include "BD2G04.COM" |
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COMMON U,V,T,P,Q |
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DIMENSION VT(IM0,JM0,LM0),TT(IM0,JM0,LM0),PT(IM0,JM0), |
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& QT(IM0,JM0,LM0),PU(IM0,JM0),FD(IM0,JM0),DQDY(JM0,LM0) |
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& ,DTDY(JM0,LM0),DUDY(JM0,LM0),DVDY(JM0,LM0) |
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& ,UT(IM0,JM0,LM0) |
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COMMON/HDFLUX/VQHD(JM0,LM0),VTHD(JM0,LM0),VUHD(JM0,LM0), |
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& VVHD(JM0,LM0) |
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logical first |
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data first /.true./ |
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I=1 |
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JMM1=JM0-1 |
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FDIFU=5.0E5 |
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FDIFU=2.50E5 |
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FDIFF=5.0E5 |
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FDIFFQ=5.0E5 |
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FDIFFQ=1.00E6 |
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if(first)then |
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print *,' HOR DIFF for Q and T' |
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print *,' FDIFF=',FDIFF,' FDIFFQ=',FDIFFQ |
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print *,' HOR DIFF for U and V' |
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print *,' FDIFU=',FDIFU |
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print *,'IM0=',IM0,' JM0=',JM0,' LM0=',LM0 |
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print *,'IM=',IM,' JM=',JM,' LM=',LM |
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first=.false. |
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endif |
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DO 50 J=1,JM0 |
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50 FD(I,J)=P(I,J)*DXYP(J) |
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DO 57 L=1,LM0 |
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DO 57 J=1,JM0 |
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AJL(J,L,56)=AJL(J,L,56)-Q (I,J,L)*P(I,J) |
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TT (I,J,L)=T (I,J,L)*FD(I,J) |
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57 QT (I,J,L)=Q (I,J,L)*FD(I,J) |
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DO 100 L=1,LM0 |
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DO 100 J=2,JM0 |
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DQDY(J,L)=(Q (1,J,L)-Q (1,J-1,L))/DYV(J) |
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DTDY(J,L)=(T (1,J,L)-T (1,J-1,L))/DYV(J) |
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100 CONTINUE |
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DO 200 L=1,LM0 |
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PSAV=0.5*(P(1,1)+P(1,2)) |
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!CAS FLUXQL=FDIFF*DQDY(2,L)*DXV(2)*PSAV*DTDIF |
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FLUXQL=FDIFFQ*DQDY(2,L)*DXV(2)*PSAV*DTDIF |
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FLUXQL=DMAX1( -0.5*QT(1,2,L), DMIN1(0.5*QT(1,1,L),FLUXQL)) |
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FLUXTL=FDIFF*DTDY(2,L)*DXV(2)*PSAV*DTDIF |
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QT (1,1,L)=QT (1,1,L)+FLUXQL |
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TT (1,1,L)=TT (1,1,L)+FLUXTL |
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DO 210 J=2,JMM1 |
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PSAV=0.5*(P(1,J)+P(1,J+1)) |
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!CAS FLUXQR=FDIFF*DQDY(J+1,L)*DXV(J+1)*PSAV*DTDIF |
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FLUXQR=FDIFFQ*DQDY(J+1,L)*DXV(J+1)*PSAV*DTDIF |
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FLUXQR=DMAX1( -0.5*QT(1,J+1,L), DMIN1(0.5*QT(1,J,L),FLUXQR)) |
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FLUXTR=FDIFF*DTDY(J+1,L)*DXV(J+1)*PSAV*DTDIF |
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QT (1,J,L)=QT (1,J,L)+(FLUXQR-FLUXQL) |
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TT (1,J,L)=TT (1,J,L)+(FLUXTR-FLUXTL) |
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VQHD(J,L)=-FLUXQL/(DXV(J)*0.5*(P(1,J)+P(1,J-1))*DTDIF) |
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VTHD(J,L)=-FLUXTL/(DXV(J)*0.5*(P(1,J)+P(1,J-1))*DTDIF) |
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FLUXQL=FLUXQR |
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FLUXTL=FLUXTR |
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210 CONTINUE |
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QT (1,JM,L)=QT (1,JM,L)-FLUXQR |
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TT (1,JM,L)=TT (1,JM,L)-FLUXTR |
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J=JM |
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VQHD(J,L)=-FLUXQL/(DXV(J)*0.5*(P(1,J)+P(1,J-1))*DTDIF) |
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VTHD(J,L)=-FLUXTL/(DXV(J)*0.5*(P(1,J)+P(1,J-1))*DTDIF) |
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200 CONTINUE |
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DO 300 L=1,LM0 |
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DO 300 J=1,JM0 |
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Q (I,J,L)=QT (I,J,L)/FD(I,J) |
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T (I,J,L)=TT (I,J,L)/FD(I,J) |
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AJL(J,L,56)=AJL(J,L,56)+Q (I,J,L)*P(I,J) |
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300 CONTINUE |
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DOPK=1. |
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FD(I,1)=2.*FD(I,1) |
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FD(I,JM)=2.*FD(I,JM) |
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DO 65 J=2,JM |
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FDU=.5*(FD(I,J)+FD(I,J-1)) |
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DO 65 L=1,LM |
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VT(I,J,L)=V(I,J,L)*FDU |
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65 UT(I,J,L)=U(I,J,L)*FDU |
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DO 110 L=1,LM0 |
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DO 110 J=3,JM0 |
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DUDY(J,L)=(U (1,J,L)-U (1,J-1,L))/DYP(J) |
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DVDY(J,L)=(V (1,J,L)-V (1,J-1,L))/DYP(J) |
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110 CONTINUE |
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DO 400 L=1,LM0 |
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PSAV=P(1,2) |
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FLUXVL=FDIFU*DVDY(3,L)*DXP(2)*PSAV*DTDIF |
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FLUXUL=FDIFU*DUDY(3,L)*DXP(2)*PSAV*DTDIF |
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VT (1,2,L)=VT (1,2,L)+FLUXVL |
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UT (1,2,L)=UT (1,2,L)+FLUXUL |
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DO 410 J=3,JMM1 |
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PSAV=P(1,J) |
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FLUXVR=FDIFU*DVDY(J+1,L)*DXP(J)*PSAV*DTDIF |
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FLUXUR=FDIFU*DUDY(J+1,L)*DXP(J)*PSAV*DTDIF |
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VT (1,J,L)=VT (1,J,L)+(FLUXVR-FLUXVL) |
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UT (1,J,L)=UT (1,J,L)+(FLUXUR-FLUXUL) |
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VVHD(J-1,L)=-FLUXVL/(DXP(J-1)*P(1,J-1)*DTDIF) |
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VUHD(J-1,L)=-FLUXUL/(DXP(J-1)*P(1,J-1)*DTDIF) |
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FLUXVL=FLUXVR |
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FLUXUL=FLUXUR |
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410 CONTINUE |
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VT (1,JM,L)=VT (1,JM,L)-FLUXVR |
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UT (1,JM,L)=UT (1,JM,L)-FLUXUR |
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J=JM |
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VVHD(J-1,L)=-FLUXVL/(DXP(J-1)*P(1,J-1)*DTDIF) |
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VUHD(J-1,L)=-FLUXUL/(DXP(J-1)*P(1,J-1)*DTDIF) |
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400 CONTINUE |
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DO 75 J=2,JM |
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RFDU=2./(FD(I,J)+FD(I,J-1)) |
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DO 75 L=1,LM0 |
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V(I,J,L)=VT(I,J,L)*RFDU |
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U(I,J,L)=UT(I,J,L)*RFDU |
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#if ( defined HR_DATA ) |
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if(L.le.4)then |
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uyzhr(L,J)=U(I,J,L) |
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vyzhr(L,J)=V(I,J,L) |
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endif |
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#endif |
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75 CONTINUE |
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RETURN |
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END |
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